Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/97061
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dc.contributor.authorBi, Renzheen
dc.contributor.authorDong, Jingen
dc.contributor.authorLee, Kijoonen
dc.date.accessioned2013-07-02T03:12:14Zen
dc.date.accessioned2019-12-06T19:38:29Z-
dc.date.available2013-07-02T03:12:14Zen
dc.date.available2019-12-06T19:38:29Z-
dc.date.copyright2012en
dc.date.issued2012en
dc.identifier.citationBi, R., Dong, J., & Lee, K. (2012). Coherent backscattering cone shape depends on the beam size. Applied Optics, 51(26), 6301-6306.en
dc.identifier.urihttps://hdl.handle.net/10356/97061-
dc.description.abstractCoherent backscattering (CBS) is a beautiful physical phenomenon that takes place in a highly scattering medium, which has potential application in noninvasive optical property measurement. The current model that explains the CBS cone shape, however, assumes the incoming beam diameter is infinitely large compared to the transport length. In this paper, we evaluate the effect of a finite scalar light illumination area on the CBS cone, both theoretically and experimentally. The quantitative relationship between laser beam size and the CBS cone shape is established by using two different finite beam models (uniform top hat and Gaussian distribution). A series of experimental data with varying beam diameters is obtained for comparison with the theory. Our study shows the CBS cone shape begins to show distortion when beam size becomes submillimeter, and this effect should not be ignored in general. In biological tissue where a normal large beam CBS cone is too narrow for detection, this small beam CBS may be more advantageous for more accurate and higher resolution tissue characterization.en
dc.language.isoenen
dc.relation.ispartofseriesApplied opticsen
dc.rights© 2012 Optical Society of America. This paper was published in Applied Optics and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: [http://dx.doi.org/10.1364/AO.51.006301]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en
dc.titleCoherent backscattering cone shape depends on the beam sizeen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Chemical and Biomedical Engineeringen
dc.identifier.doi10.1364/AO.51.006301en
dc.description.versionPublished versionen
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